Starting a business is not very easy, It requires planning and lot of planning. Because if you don't plan the the things, every thing will get messed and you will face failure at some point. It won't make any sense if you invest in any startup without a proper planning.
For some entrepreneurs a business or a startup is something that matters them the most and they focus on that, and give their very best. Plans are the road map for growth that can take you from the early-stage idea to a big company. Good planning before you go to a venture will make you turn out maximum profit, so I would suggest you to make a proper business plan with your team, discuss every aspect of the plan and then move forward. Because every step taken lightly is a mine forever. Thanks, hope my answer would have helped you...!